CMS Made Simple (CMSMS) 2.2.5 has XSS in admin/moduleinterface.php via the m1_errors parameter.

published 2018-01-25 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17731

cvss: 4.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

kyawminthein901497298.wordpress.com https://kyawminthein901497298.wordpress.com/2018/01/22/cms-made-simple-2-2-5-reflected-cross-site-scripting/ referenced PoC, tagged "exploit" by a source, unverified
packetstormsecurity.com http://packetstormsecurity.com/files/146035/CMS-Made-Simple-2.2.5-moduleinterface.php-m1_errors-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
seclists.org http://seclists.org/fulldisclosure/2018/Jan/83 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	4.8	CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

kyawminthein901497298.wordpress.com /2018/01/22/cms-made-simple-2-2-5-reflected-cross-site-scripting/
exploit, third-party-advisory
packetstormsecurity.com /files/146035/CMS-Made-Simple-2.2.5-moduleinterface.php-m1_errors-Cross-Site-Scripting.html
exploit, third-party-advisory, vdb-entry
seclists.org /fulldisclosure/2018/Jan/83
mailing-list, exploit, third-party-advisory

Sources

CVE List CVE-2018-5965
NVD CVE-2018-5965

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary